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Captain Hamm or Cpt. Hamm was a base security captain for Big MT before the Great War.[1]


Hamm was informed by Dr. Calis about the creation of a Sonic Emitter which could disable the force fields used by security around Big MT. Hamm, in turn, later informed Dr. Calis about a shipment of Cattle Prods which arrived for the X-13 Research Facility, reminding him that since the force fields did not handle power fluctuations well, usage of live creatures should be undertaken only in the specialized creature testing facility.[2] Calis ignored this, claiming that he had everything under control.[3]


Captain Hamm is mentioned in the Fallout: New Vegas add-on Old World Blues.


  1. X-13 Research Facility terminal entries; X-13 Shipment Notice: "Your shipment of cattle prods arrived today. I'd like to remind you our systems are designed to prevent infiltration by enemy agents, not internal threats. If you're doing any testing on creatures, please forward that task to the animal testing facility. As you found with the Sonic Emitter, our force fields can't handle power fluctuations well.

    -Cpt. Hamm
    Base Security"'
  2. X-13 Research Facility terminal entries - X-13 Shipment Notice
  3. X-13 Research Facility terminal entries; security terminal, RE: X-13 Shipment Notice